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Is a tapered throttlebody important?

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Old 09-19-2006, 10:57 PM
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Default Is a tapered throttlebody important?

What is the difference between no tapered and tapered throttlebody ? I need a 65mm throttlebody to fit with my edelbrock intake manifold and wanna know what the difference is>?
Old 09-19-2006, 11:37 PM
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BUmp, i also need the same answer,
Old 09-20-2006, 04:20 AM
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Default Re: (salman)

something about increased velocity i think
Old 09-20-2006, 07:06 AM
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yea a taper is gonna up velocity.....

just go with an rpm service tbody....
Old 09-20-2006, 08:06 AM
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Default Re: (bb4ever)

stock TB's have the taper...

if your looking for a replacement its hard to beat this https://honda-tech.com/zerothread?id=1624626
Old 09-20-2006, 08:10 AM
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Default Re: (JCushing)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JCushing &raquo;</TD></TR><TR><TD CLASS="quote">stock TB's have the taper...

if your looking for a replacement its hard to beat this https://honda-tech.com/zerothread?id=1624626</TD></TR></TABLE>

thats what im planning

i think its 3" to 68mm butterfly

is that a good taper?
Old 09-20-2006, 09:01 AM
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Default Re: (type B16)

I have a 69mm-&gt; 65mm on my D series. I'm pleased with it.

It's essentially creating a venturi which will in essence speed of velocity. It also helps that most of these are actually 3" which is what most intakes are....

Nathan
Old 09-20-2006, 09:18 AM
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Default Re: (NathanMorris)

I heard that power throttlebody has no taper , and i dont really want a billet tb , they tend to stick sometimes
Old 09-20-2006, 02:43 PM
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Default Re: (crxsiperf)

you heard wrong, it has a 3mm taper, mines 65 at the IM end, 68mm at the intake end

pretty sure the 68mm version tapers to 70 but i dunno for a fact.
Old 09-20-2006, 08:45 PM
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Default Re: (JCushing)

maxbore has a 5mm taper, 70mm out 65 butterfly

is more taper the better?
Old 09-20-2006, 10:56 PM
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Default Re: (type B16)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by type B16 &raquo;</TD></TR><TR><TD CLASS="quote">maxbore has a 5mm taper, 70mm out 65 butterfly

is more taper the better?</TD></TR></TABLE>

are you sure you can bore a stock TB to 70mm at the opening? but im wondering the same question on the taper also...but he power is tapered, correct??
Old 09-20-2006, 11:09 PM
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Default Re: (JCushing)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JCushing &raquo;</TD></TR><TR><TD CLASS="quote">pretty sure the 68mm version tapers to 70 but i dunno for a fact.</TD></TR></TABLE>

ehh....the old reverse taper trick huh??
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